Locating Bores in Cylinder Head:

Outer diameter, size 2: … 14.13 mm (0.561 in.)

Outer diameter, repair size 1: … 14.29 mm (0.568 in.)

Outer diameter, repair size 2: … 14.59 mm (0.580 in.)

Inner diameter, Std.: … 8.02 ± 0.022 mm (0.319 ± 0.0009 in.)

Valve guide length: … 58.4 ± 0.3 mm (2.320 ± 0.012 in.)

Locating Bores in Cylinder Head:

Standard size 1: … 13.965 ± 0.032 mm (0.555 ± 0.001 in.)

Standard size 2: … 14.035 ± 0.032 mm (0.558 ± 0.001 in.)

Repair size 1: … 14.195 ± 0.032 mm (0.564 ± 0.001 in.)

Repair size 2: … 14.495 ± 0.032 mm (0.576 ± 0.001 in.)

Installation Height between lower guide edge and Valve Seat (“x” in Fig. below):

Inlet valves (A): … 31.50 mm (1.2515 in.)

Exhaust valves (B): … 21.30 mm (0.858 in.)

Installation Angle of Valve Guides (see Fig. above):

Inlet valves (A): … 19°

Exhaust valves (B): … 6°

Valves

Valve Head Diameter:

Inlet valves: … 42.50 mm (1.689 in.)

Exhaust valves: … 35.5 mm (1.4104 in.)

Valve Length:

Inlet valves: … 118.25 mm (4.698 in.)

Exhaust valves: … 112.00 mm (4.450 in.)

Valve Stem Diameter:

Inlet valves: … 8.02 mm (0.319 in.)

Exhaust valves: … 8.00 mm (0.318 in.)

Max. permissible grinding off of valve stem: … 0.20 mm (0.008 in.)

Min. permissible valve edge thickness: … 0.50 mm (0.002 in.)

Valve Stem Running Clearance:

Inlet valves: … 0.02 - 0.042 mm (0.0008 - 0.0017 in.)

Exhaust valves: … 0.04 - 0.060 mm (0.0016 - 0.0024 in.)

Valve Clearances:

Inlet valves: … 0.10 mm (0.004 in.)

Exhaust valves: … 0.25 mm (0.010 in.)